disagreeable; "I will not perform the ungrateful task of comparing cases of failure"- Abraham Lincoln
not feeling or showing gratitude; "ungrateful heirs"; "How sharper than a serpents tooth it is / To have a thankless child!"- Shakespeare (同)thankless, unthankful
Ungratefully definition, unappreciative; not displaying gratitude; not giving due return or recompense for benefits conferred: ungrateful heirs. See more. Thesaurus Translator Reference Word of the Day Blog Slideshows Apps by ...